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Home >> Toyota >> 1994 >> Land Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Sub-Systems >> Pulsed Secondary Air Injection System >> PAIR Reed Valve
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PAIR Reed Valve

  1. Remove PAIR reed valve. Using vacuum pump, apply vacuum to PAIR reed valve vacuum diaphragm. Apply air pressure to PAIR reed valve. See Fig 1. Ensure valve is open and air passes through PAIR reed valve.
  2. Release vacuum from PAIR reed valve vacuum diaphragm. Apply air pressure to PAIR reed valve. See Fig 1. Ensure valve is closed and no air passes through PAIR reed valve. Replace PAIR reed valve if defective.
Fig 1: Checking PAIR Reed Valve
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